Kennewick weather in October: Kennewick, Washington: normal highs, lows, rain and records for October
Kennewick in October has a normal high of 66°F and a normal low of 43°F, a daily mean of 55°F, falling from 74°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 6 days in a normal October, 0.67 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 6°C, 17 mm of precipitation in October.
- NOAA stationKennewick
- Station IDUSC00454154
- Location46.21°N 119.10°W
- Elevation390 ft (119 m)
- From the center4 miles
- Population86,728
- Jan 42° 29°
- Feb 48° 31°
- Mar 58° 36°
- Apr 66° 42°
- May 75° 50°
- Jun 82° 56°
- Jul 91° 62°
- Aug 90° 61°
- Sep 81° 53°
- Oct 66° 43°
- Nov 51° 35°
- Dec 42° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Kennewick in October?
The normal high is 66°F and the normal low 43°F, for a daily mean of 54.5°F. October is 12.3°F cooler than September and 11.6°F warmer than November. October is the 6th warmest month of the year in Kennewick and the 6th wettest. Across the month the normal high falls 16°F, from 74°F on October 1 to 58°F on October 31. From one year to the next October's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 52°F and 57°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 74°F | 48°F | 13% | 5% |
| October 8 | 70°F | 46°F | 16% | 6% |
| October 15 | 66°F | 43°F | 19% | 7% |
| October 22 | 63°F | 41°F | 22% | 8% |
| October 31 | 58°F | 38°F | 26% | 9% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 74°F | 48°F | 13% | 5% | 11 h 50 min |
| October 2 | 73°F | 48°F | 13% | 5% | 11 h 40 min |
| October 3 | 73°F | 48°F | 14% | 5% | 11 h 40 min |
| October 4 | 72°F | 47°F | 14% | 5% | 11 h 40 min |
| October 5 | 72°F | 47°F | 14% | 6% | 11 h 30 min |
| October 6 | 71°F | 47°F | 15% | 6% | 11 h 30 min |
| October 7 | 71°F | 46°F | 15% | 6% | 11 h 30 min |
| October 8 | 70°F | 46°F | 16% | 6% | 11 h 20 min |
| October 9 | 70°F | 46°F | 16% | 6% | 11 h 20 min |
| October 10 | 69°F | 45°F | 17% | 6% | 11 h 20 min |
| October 11 | 69°F | 45°F | 17% | 7% | 11 h 10 min |
| October 12 | 68°F | 44°F | 18% | 7% | 11 h 10 min |
| October 13 | 68°F | 44°F | 18% | 7% | 11 h 10 min |
| October 14 | 67°F | 44°F | 19% | 7% | 11 h |
| October 15 | 66°F | 43°F | 19% | 7% | 11 h |
| October 16 | 66°F | 43°F | 20% | 7% | 11 h |
| October 17 | 65°F | 43°F | 20% | 8% | 10 h 50 min |
| October 18 | 65°F | 42°F | 21% | 8% | 10 h 50 min |
| October 19 | 64°F | 42°F | 21% | 8% | 10 h 50 min |
| October 20 | 64°F | 42°F | 22% | 8% | 10 h 40 min |
| October 21 | 63°F | 41°F | 22% | 8% | 10 h 40 min |
| October 22 | 63°F | 41°F | 22% | 8% | 10 h 40 min |
| October 23 | 62°F | 41°F | 23% | 8% | 10 h 40 min |
| October 24 | 62°F | 40°F | 23% | 8% | 10 h 30 min |
| October 25 | 61°F | 40°F | 24% | 8% | 10 h 30 min |
| October 26 | 61°F | 40°F | 24% | 9% | 10 h 30 min |
| October 27 | 60°F | 40°F | 25% | 9% | 10 h 20 min |
| October 28 | 60°F | 39°F | 25% | 9% | 10 h 20 min |
| October 29 | 59°F | 39°F | 26% | 9% | 10 h 20 min |
| October 30 | 59°F | 39°F | 26% | 9% | 10 h 10 min |
| October 31 | 58°F | 38°F | 26% | 9% | 10 h 10 min |
- Normal high
- 66°FOctober average
- Normal low
- 43°FOctober average
- Precipitation
- 0.67 inmonth total
- Days with precipitation
- 60.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 11 h 50 min to 10 h 10 minOctober 1 to October 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 1
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00454154; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Kennewick in October?
On a given October day the chance of 0.01 inch or more is 20% on average, highest around October 31 (26%). In all, 0.67 in falls on 6 days of a normal October.
In a normal October in Kennewick, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00454154.
What are the records for October in Kennewick?
The warmest October temperature on this station's record (since 1894) is 89°F, on October 2, 1943; the coldest is 14°F, on October 31, 1935. The wettest October brought 3.07 in (1947).
The October mean against the 1991-2020 normal of 54.5°F: 2021 56.0°F (+1.5), 2022 60.6°F (+6.1), 2023 56.1°F (+1.6), 2024 56.5°F (+2.0), 2025 55.1°F (+0.6). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.0°F | +1.5°F | 1.00 in |
| 2022 | 60.6°F | +6.1°F | 0.70 in |
| 2023 | 56.1°F | +1.6°F | 0.78 in |
| 2024 | 56.5°F | +2.0°F | 0.27 in |
| 2025 | 55.1°F | +0.6°F | 0.67 in |
Source: records: ACIS, station USC00454154; recent months: ACIS, station USC00454154. Records and recent months use complete months only.
How does October in Kennewick compare across Washington?
Across the 96 places PlainClimate covers in Washington, October normal highs run from 56°F in Easton to 66°F in Kennewick; Kennewick's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.